Musa sumatrana ‘Zebrina’. Photo by Connie Oswald Stofko Musa ‘Gran Nain’. Photo by Connie Oswald Stofko by Connie Oswald Stofko A tall plant with huge leaves can become the focal point in your yard, and banana plants fit that bill. You can find them now –and on sale–at Mischler’s Florist and Greenhouses, 118 South Forest Rd., Williamsville. They include: Ensete ventricosum ‘Maurelii’ (Abyssinian banana) Musa ‘Gran Nain’ Musa sumatrana ‘Zebrina’ They come in 6.5-inch pots. They were $19.99 each and…